Lg Chem, Ltd

Lg Energy Solution, Ltd.

Eui-Hoon Myung

Seong-Tae Kim

Gyo-Eun Lee

Yoon-Woo Park

Tae-Hyun Kim

The battery pack according to the present disclosure includes a cell module assembly, a pack case including a case body to receive the cell module assembly and a case cover coupled with the case body to package the cell module assembly, and a horizontal protruding rib protruding toward the cell module assembly in a direction parallel to a stack direction of cells in the cell module assembly at an inner lower end of the case body, wherein the horizontal protruding rib is a double rib structure including a first rib which is compressed by the cell module assembly to absorb a thickness tolerance of the cell module assembly, and an uncompressible second rib which is provided on an outer side of the first rib and disposed at a more rear position than the first rib to reinforce the first rib.

Battery pack and vehicle comprising the same

A cell cartridge having a first pouch cell having a first fixing portion extending from a sealing portion thereof, a second pouch cell having a second fixing portion extending from a sealing portion thereof, and a cartridge configured to accommodate a cell stack formed by stacking the first pouch cell and the second pouch cell is provided. The first fixing portion is bent toward the second pouch cell to restrict movement of the second pouch cell. The second fixing portion is bent toward the first pouch cell to restrict movement of the first pouch cell.

Cell cartridge and battery module including the same

Disclosed is a battery pack, which includes: a battery module having at least one battery cell; a pack case having a case body for accommodating the battery module and a case cover configured to be welded to the case body to package the battery module; and at least one weld quality indicator provided on the case body of the pack case to inspect accuracy of welding.

Growing community of inventors

Daejeon, South Korea

Eui-Hoon Myung